jQuery(document).ready(function(){
    // AFTER DOCUMENT LOAD
    jQuery("#letterA").css("opacity", "0.7");
    goodSize();
    jQuery(window).click(function(){
        changePicArr();
    });
    a = new Array();
    for ( i = 0; i < rndArticleArr.length; i++ ) {
        a.push(newImage(pathToImg + rndArticleArr[i]));
    }
});


jQuery(window).load(function(){
    timerID = setInterval("changePicArr()",8600);
});
var pathToImg = 'http://avia-group.su/system/templates/avia/img/bg/';
// array with pics
var rndArticleArr = new Array(
    'bg14.jpg',
    'bg2.jpg',
    'bg3.jpg',
    'bg4.jpg',
    'bg5.jpg',
    'bg6.jpg',
    'bg7.jpg',
    'bg9.jpg',
    'bg10.jpg',
    'bg11.jpg',
	'bg12.jpg',
	'bg13.jpg',
    'bg1.jpg'
);

var pointerOfPicArr = 0;

function newImage(path) { 
      var image = new Image(); 
      image.src = path; 
      //alert(image.src);
      return image; 
}

function changePicArr() {
    pointerOfPicArr = pointerOfPicArr + 1;
    if ( pointerOfPicArr == rndArticleArr.length ) {
        pointerOfPicArr = 0;
    }
    jQuery("#bg").fadeOut(1000, function(){
        //alert(jQuery("#bg").css("background-image")  )
        namePic = rndArticleArr[pointerOfPicArr];
        jQuery("#bg").css("background-image", "url(" + pathToImg + namePic + ")");
        jQuery("#bg").css("min-width", "1200px");
        jQuery("#bg").fadeIn(1000);
    });
    
}


function goodSize() {
    mainH = jQuery("#main").height();
    docH = jQuery(document).height();
    winH = jQuery(window).height();
    footerH = jQuery("#footer").height();
    markupH = mainH + footerH;
    if ( winH > mainH  ) {
        newH = winH - footerH - 23
        jQuery("#main").css("height", newH);
    } else {
        jQuery("#main").css("height", "auto");
	}
    jQuery("#bg").css("height", "800px");
    jQuery("#letterA").css("height", "600px");
    jQuery("#letterA").css("min-width", "1200px");

}


jQuery(window).resize(function() {
	goodSize();
});